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Finding the Fourth Proportional to 16.11, 22.23 and 10.93

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Solution

The fourth proportional to 16.11, 22.23 and 10.93 is: 15.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.11 : 22.23 = 10.93 : x
  2. Step 2: Convert to fraction form
    16.11/22.23 = 10.93/x
  3. Step 3: Cross multiply
    16.11x = 22.23 × 10.93
  4. Step 4: Simplify right side
    16.11x = 242.96
  5. Step 5: Solve for x
    x = 242.96/16.11
  6. Step 6: Final answer
    x = 15.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.